Rainbow Block Train Stem Toy

All aboard for creative construction and colorful discovery with this expandable wooden train set that evolves alongside your child's growing abilities. Designed for toddlers through preschoolers, this open-ended building toy combines classic train play with innovative rainbow acrylic block technology that teaches color theory through hands-on exploration. The versatile set includes three connectable wooden train cars, two charming peg people passengers, and an assortment of geometric blocks featuring translucent colored windows that reveal stunning color mixing when stacked together. Children naturally progress from simple push-and-pull play to complex building challenges, stacking blocks vertically on train bases or creating freestanding structures that test balance and engineering skills. The unique tumble block adds unpredictable movement and cause-and-effect learning that keeps playtime engaging. Perfect for developing fine motor coordination, spatial awareness, and creative problem solving.